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firefoxsetup.exe

Internet

Top Scale (New Media Holdings Ltd.)

The file firefoxsetup.exe, “Internet Setup ” by Top Scale (New Media Holdings) has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. With this installer, users are expecting to download the free Mozilla Firefox web browser but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Web Installer   (signed by Top Scale (New Media Holdings Ltd.))

Product:
Internet

Description:
Internet Setup

Version:
1.8.4.0

MD5:
c9c69dac442ae1526e9966f7cc4653fb

SHA-1:
cbf4db6067a51784e8e0301cb022af25f6564464

SHA-256:
a0e1fe1975ab21893048193fbe2296448156b7bd855de8ea2c4d7e12f1d52847

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/6/2024 4:56:03 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.NewMedia.Installer.Installer (M)
16.1.27.11

File size:
901.5 KB (923,096 bytes)

Product version:
2.7.1

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\firefoxsetup.exe.365ud6i.partial

Digital Signature
Signed by:
Top Scale (New Media Holdings Ltd.)

Authority:
GlobalSign nv-sa

Valid from:
2/11/2015 11:01:05 AM

Valid to:
2/12/2016 11:01:05 AM

Subject:
CN=Top Scale (New Media Holdings Ltd.), O=Top Scale (New Media Holdings Ltd.), L=Tel Aviv, C=IL

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121FF0C79830A7B12BE4E698038C29DAF9A

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:9yhTgi26mz+EgBL5asTUOykyN4V6xBUQQG5cl:9yhd26mz+EgL/treJcl

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9376

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

The file firefoxsetup.exe has been seen being distributed by the following URL.

http://www.capitalmetafile.com/c?x=pvlgdO0lTFc8f09Wv2cN837dcYj/n/4xF7IhkwlqUIY=&c=5UTTvpp5SuOLn5lSNJhWzWBdxEV/SySXnGGLEBta wK/27Ft07a2ct3szTL9TsCiBM5Y18btK0hdeUfs1XAG5W vrZFAVlyl70vgKmBwkpU6bpmTRmUiqKR2UD/xHVwAQDR/n8vy4d GhzITkIQy4g==&downloadAs=FirefoxSetup.exe&fallback_url=http://ftp.mozilla.org/pub/mozilla.org/firefox/releases/27.0/win32/.../Firefox Setup 27.0.exe

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